sendTransaction return value proposal - whilei/ethereumproject-wiki GitHub Wiki

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name: SendTransaction Return Value Proposal category:

After talking to Marek we came to the conclusion, that the current return value of eth_sendTransaction is not enough to be able to work with self send transactions.

If you send a contract creation transaction, you get the contract address back, but not the transaction hash.

Additional with the new proposal, we could even let non-constant contract functions return values, like gavin wanted to do it in https://github.com/ethereumproject/dapp-bin/blob/master/wallet/wallet2.sol#L237 (Currently thats impossible and that contract would be wrong)

Proposal

Instead of returning the hash or a contract address lets return a object contain everything:

{
   transactionHash: '0x234567..',
   contractAddress: '0x123456' // or null
   returnValue: '0x342567' // or null
}